I worked in 4 migration companies, they do fraud with employees also.
I know how to get 100% refund, in fact compensation for your mental harassment charges.
Just file a civil case on them, They will threaten you, but you ignore it. No company wants to register more than 3 cases in Pakistan or else government will close their shop.
Once you make civil case(Even if contract was signed 3 years before) you will get full refund. They will say they have signed contract, you just reply forcefully you signed it, they will invite you to office and refund full money.
In Pakistan when you say you were forced to sign a contract then it becomes null n void.
Company will say they will make defamation case against you etc, just ignore. Companies have more than 500 customers and they don't bother about your case.
They will just close your case by refunding full money.
In fact I have visited court as our company's representatives and given full refund in court
Owners say, don't let the case get registered